Q30 陶瓷、玻璃综合 标准查询与下载



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Sieve analyses are carried out to determine the particle size distribution of powders which, in turn, are used to qualify those materials as to their usefulness in the process under consideration. Since particle size analyses have only relative significance, the results should be considered only where they correlate with process characteristics. The parameter that is being measured in this test is the amount of material that will pass through a cloth having theoretically square openings. It must be remembered that all the holes are not square, nor uniform in size, and the question of whether a given particle will go through is a statistical one. Since each particle size analysis method measures a unique physical parameter, the results from one method may not agree with those from another. Particle size distributions play a role in such properties as bulk density, dustiness, and handling characteristics. Care should be taken, however, when interpretations are made from one or two points (sieves) on the distribution curve.1.1 This test method covers the determination of the particle size distribution of nonplastic ceramic powders such as alumina, silica, feldspar, pyrophyllite, nepheline syenite, talc, titanates, and zircon using wire cloth sieves. 1.2 Materials containing a large amount of fines, containing agglomerates, or that are nonfree-flowing, are wet-sieved to remove excessive fines or to disperse agglomerates before performing the test. This technique is not applicable to materials that are, to any degree, water soluble. 1.3 The values stated in SI units are to be regarded as standard. The values given in parentheses are mathematical conversions to inch-pound units, or are other customary units (in the case of sieve frame diameter and sieve number), that are provided for information only and are not considered standard. 1.4 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.

Standard Test Method for Wire-Cloth Sieve Analysis of Nonplastic Ceramic Powders

ICS
81.060.10 (Raw materials)
CCS
Q30
发布
2009
实施

This test method may be used for material development, characterization, design data generation, and quality control purposes. It is specifically appropriate for determining the modulus of advanced ceramics that are elastic, homogeneous, and isotropic. This test method is nondestructive in nature. Only minute stresses are applied to the specimen, thus minimizing the possibility of fracture. The period of time during which measurement stress is applied and removed is of the order of hundreds of microseconds. With this test method it is feasible to perform measurements at high temperatures, where delayed elastic and creep effects would invalidate modulus measurements calculated from static loading. This test method has advantages in certain respects over the use of static loading systems for measuring moduli in advanced ceramics. It is nondestructive in nature and can be used for specimens prepared for other tests. Specimens are subjected to minute strains; hence, the moduli are measured at or near the origin of the stress-strain curve with the minimum possibility of fracture. The period of time during which measurement stress is applied and removed is of the order of hundreds of microseconds. With this test method it is feasible to perform measurements at high temperatures, where delayed elastic and creep effects would invalidate modulus measurements calculated from static loading. The sonic resonant frequency technique can also be used as a nondestructive evaluation tool for detecting and screening defects (cracks, voids, porosity, density variations) in ceramic parts. These defects may change the elastic response and the observed resonant frequency of the test specimen. Guide E2001 describes a procedure for detecting such defects in metallic and nonmetallic parts using the resonant frequency method.1.1 This test method covers the determination of the dynamic elastic properties of advanced ceramics. Specimens of these materials possess specific mechanical resonant frequencies that are determined by the elastic modulus, mass, and geometry of the test specimen. Therefore, the dynamic elastic properties of a material can be computed if the geometry, mass, and mechanical resonant frequencies of a suitable test specimen of that material can be measured. Dynamic Young''s modulus is determined using the resonant frequency in the flexural mode of vibration. The dynamic shear modulus, or modulus of rigidity, is found using torsional resonant vibrations. Dynamic Young''s modulus and dynamic shear modulus are used to compute Poisson''s ratio. 1.2 This test method measures the resonant frequencies of test specimens of suitable geometry by mechanically exciting them at continuously variable frequencies. Mechanical excitation of the bars is provided through the use of a transducer that transforms a cyclic electrical signal into a cyclic mechanical force on the specimen. A second transducer senses the resulting mechanical vibrations of the specimen and transforms them into an electrical signal. The amplitude and frequency of the signal are measured by an oscilloscope or other means to detect resonant vibration in the desired mode. The resonant frequencies, dimensions, and mass of the specimen are used to calculate dynamic Young''s modulus and dynamic shear modulus. (See Fig. 1) 1.3 This test method is specifically appropriate for advanced ceramics that are elastic, homogeneous, and isotropic (3). Advanced ceramics of a composite character (particulate, whisker, or fiber reinforced) may be tested by this test method with the understanding that the character (volume fraction, size, morphology, distribution, orientation, elastic properties, and interfacial bonding) of the reinforcement in the test......

Standard Test Method for Dynamic Young''s Modulus, Shear Modulus, and Poisson''s Ratio for Advanced Ceramics by Sonic Resonance

ICS
CCS
Q30
发布
2009
实施

Both suppliers and users of pulverized ceramic powders will find this test method useful to determine particle size distributions for materials specifications, manufacturing control, development, and research. The test method is simple, although tedious, uses inexpensive equipment, and will provide a continuous curve with data obtained with standardized woven sieves.1.1 This guide covers the determination of the particle size distribution of pulverized alumina and quartz for particle sizes from 45 to 5 μm by wet sieving. 1.2 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard. 1.2.1 The only exception is in the Section 5, Apparatus, 5.1 where there is no relevant SI equivalent. 1.3 This standard does not purport to address the safety concerns associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.

Standard Guide for Precision Electroformed Wet Sieve Analysis of Nonplastic Ceramic Powders

ICS
81.060.10 (Raw materials)
CCS
Q30
发布
2009
实施

This test method may be used for material development, characterization, design data generation, and quality control purposes. This test method is specifically appropriate for determining the modulus of materials that are elastic, homogeneous, and isotropic (1). This test method addresses the room temperature determination of dynamic moduli of elasticity of slender bars (rectangular cross section) and rods (cylindrical). Flat plates and disks may also be measured similarly, but the required equations for determining the moduli are not addressed herein. This dynamic test method has several advantages and differences from static loading techniques and from resonant techniques requiring continuous excitation. The test method is nondestructive in nature and can be used for specimens prepared for other tests. The specimens are subjected to minute strains; hence, the moduli are measured at or near the origin of the stress-strain curve, with the minimum possibility of fracture. The impulse excitation test uses an impact tool and simple supports for the test specimen. There is no requirement for complex support systems that require elaborate setup or alignment. This technique can be used to measure resonant frequencies alone for the purposes of quality control and acceptance of test specimens of both regular and complex shapes. A range of acceptable resonant frequencies is determined for a specimen with a particular geometry and mass. The technique is particularly suitable for testing specimens with complex geometries (other than parallelepipeds, cylinders/rods, or disks) that would not be suitable for testing by other procedures. Any specimen with a frequency response falling outside the prescribed frequency range is rejected. The actual modulus of each specimen need not be determined as long as the limits of the selected frequency range are known to include the resonant frequency that the specimen must possess if its geometry and mass are within specified tolerances. If a thermal treatment or an environmental exposure affects the elastic response of the test specimen, this test method may be suitable for the determination of specific effects of thermal history, environment exposure, and so forth. Specimen descriptions should include any specific thermal treatments or environmental exposures that the specimens have received. 1.1 This test method covers determination of the dynamic elastic properties of elastic materials at ambient temperatures. Specimens of these materials possess specific mechanical resonant frequencies that are determined by the elastic modulus, mass, and geometry of the test specimen. The dynamic elastic properties of a material can therefore be computed if the geometry, mass, and mechanical resonant frequencies of a suitable (rectangular or cylindrical geometry) test specimen of that material can be measured. Dynamic Young''s modulus is determined using the resonant frequency in either the flexural or longitudinal mode of vibration. The dynamic shear modulus, or modulus of rigidity, is found using torsional resonant vibrations. Dynamic Young''s modulus and dynamic shear modulus are used to compute Poisson''s ratio. 1.2 Although not specifically described herein, this test method can also be performed at cryogenic and high temperatures with suitable equipment modifications and appropriate modifications to the calculations to compensate for thermal expansion. 1.3 There are material specific ASTM standards that cover the determination of resonance frequencies and elastic properties of specific materials by sonic resonance or by impulse excitation of vibration. Test Methods C 215, C 623, C 747, C 848, C 1198, and C 1259

Standard Test Method for Dynamic Young''s Modulus, Shear Modulus, and Poisson''s Ratio by Impulse Excitation of Vibration

ICS
81.060.20 (Ceramic products)
CCS
Q30
发布
2009
实施

Vitreous and porcelain enamels - Determination of resistance to chemical corrosion - Part 3: Determination of resistance to chemical corrosion by alkaline liquids using a hexagonal vessel

ICS
25.220.50
CCS
Q30
发布
2008-12
实施

Vitreous and porcelain enamels - Determination of resistance to chemical corrosion - Part 1: Determination of resistance to chemical corrosion by acids at room temperature

ICS
25.220.50
CCS
Q30
发布
2008-12
实施

Vitreous and porcelain enamels - Determination of resistance to chemical corrosion - Part 2: Determination of resistance to chemical corrosion by boiling acids, boiling neutral liquids and/or their vapours

ICS
25.220.50
CCS
Q30
发布
2008-12
实施

Vitreous and porcelain enamels - Determination of resistance to chemical corrosion - Part 4: Determination of resistance to chemical corrosion by alkaline liquids using a cylindrical vessel

ICS
25.220.50
CCS
Q30
发布
2008-12
实施

Vitreous and porcelain enamels - Determination of resistance to chemical corrosion - Part 5: Determination of resistance to chemical corrosion in closed systems

ICS
25.220.50
CCS
Q30
发布
2008-12
实施

Testing of oxidic raw and basic materials for ceramic, glass and glazes - Determination of fluoride content

ICS
81.040.10;81.060.10
CCS
Q30
发布
2008-11
实施

이 표준은 열팽창법에 의한 유리의 전이 온도 tg의 측정방법을 규정한다. 이 온도는 유리의

Glass-Viscosity and viscometric fixed points-Part 8:Determination of dilatometric transformation temperature

ICS
81.040.00
CCS
Q30
发布
2008-10-30
实施
2008-10-30

Vitreous and porcelain enamels - Production of specimens for testing enamels on sheet steel, sheet aluminium and cast iron

ICS
25.220.50
CCS
Q30
发布
2008-10
实施

This British Standard describes methods suitable for the chemical analysis of glass-making sands, including instrumental methods using X-ray fluorescence spectrometry (XRF), inductively coupled plasma optical emission spectrometry (ICP-OES), ultraviolet-visible spectrometry (UV-VIS) and atomic absorption spectrometry (AAS).

Sampling and analysis of glass-making sands – Part 2: Methods for chemical analysis

ICS
81.040.10
CCS
Q30
发布
2008-08-29
实施
2008-08-29

Testing of ceramic raw and basic materials - Direct determination of mass fractions of impurities in powders and granules of silicon carbide by inductively coupled plasma optical emission spectrometry (ICP OES) and electrothermal vaporisation (ETV)

ICS
81.060.10
CCS
Q30
发布
2008-07
实施

This International Standard specifies a method for the qualitative evaluation of the adhesion of ceramic coatings up to 20 pm thick by indentation with a Rockwell diamond indenter. The formation of cracks after indentation may also reveal cohesive failure. The indentations are made with a Rockwell hardness test instrument. The method described in this International Standard may also be suitable for evaluating the adhesion of metallic coatings. The test is not suitable for elastic coatings on hard substrates.

Fine ceramics (advanced ceramics, advanced technical ceramics) - Rockwell indentation test for evaluation of adhesion of ceramic coatings

ICS
81.060.30
CCS
Q30
发布
2008-06-15
实施

This International Standard specifies a method for the determination of the fracture toughness of advanced technical ceramics. The procedure makes use of single-edge V-notched bars, which are loaded in 4-point bending until failure. It is applicable to monolithic ceramics with a grain size or major microstructural feature size larger than about 1 lJ.m. The use of this International Standard for yttria tetragonal zirconia polycrystal material (Y-TZP) is not recommended. The method might also be unsuitable for some other very tough or soft ceramics in which a sharp crack does not form at the root of the V-notch.

Fine ceramics (advanced ceramics, advanced technical ceramics) - Test methods for fracture toughness of monolithic ceramics - Single-edge V-notch beam (SEVNB) method

ICS
81.060.30
CCS
Q30
发布
2008-06-01
实施

Vitreous and porcelain enamels - Preparation of enamelled samples and determination of thermal expansion coefficient

ICS
25.220.50
CCS
Q30
发布
2008-05
实施

This part of ISO 20078 specifies methods of determining boron(III) oxide in refractory products and raw materials, in mass fraction of 0,01% or greater. It is applicable to the determination of total DOff)ri( Ill i oxide in oxidic materials for ceramics, glass and glazes. The determinahon of boron(III) oxide is carried out using one of the following four methods: a) alkaline titrimetry, which is applied to samples containing more than 0,5 % by mass of boron(III) oxide: b) azomethine H absorption spectrophotometry, which is applied to samples containing from 0,01% by mass to 2,5 % by mass of boron(III) oxide; c) curcumin absorption spectrophotometry (rothocyanine method), which is applied to samples containing from 0,01% by mass to 1,0 % by mass of boron(III) oxide; d) inductively coupled plasma atomic emission spectrometry (ICP-AES), which is applied to samples containing from 0,01% by mass to 15 % by mass of boron(III) oxide. NOTE 1 The method can be extended to 30 % boron(III) oxide using modified oxidic fluxes. NOTE 2 Interlaboratory test results for this part of ISO 21078 are given in Annex A.

Determination of boron (III) oxide in refractory products - Part 1: Determination of total boron (III) oxide in oxidic materials for ceramics, glass and glazes (ISO 21078-1:2008); English version of DIN EN ISO 21078-1:2008-04

ICS
81.080
CCS
Q30
发布
2008-04
实施

This Japanese Industrial Standard specifies the method to test the removal of toluene (CH) gas, among other air purification performances, of the photocatalytic materials supported on the surface of building materials and other materials. This test method can not be applied to test pieces of which the adsorption time ex- ceeds 90 rain.

Fine ceramics (advanced ceramics, advanced technical ceramics) -- Test method for air purification performance of photocatalytic materials -- Part 3: Removal of toluene

ICS
81.060.30
CCS
Q30
发布
2008-03-20
实施
2008-03-21

This Japanese Industrial Standard specifies the method to test the removal of acetaldehyde (CH3CHO) gas, among other air purification performances, of the photo- catalytic materials supported on the surface of building materials and other products.

Fine ceramics (advanced ceramics, advanced technical ceramics) -- Test method for air purification performance of photocatalytic materials -- Part 2: Removal of acetaldehyde

ICS
81.060.30
CCS
Q30
发布
2008-03-20
实施
2008-03-21



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